Flipper: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Flipper".0
By Jeff R. Graham
76% Light Return
Angles for R.I. = 1.76
65 facets + 8 facets on girdle = 73
2-fold, mirror-image symmetry
L/W = 1.330 T/W = 0.845 T/L = 0.635
P/W = 0.382 C/W = 0.182
H/W = (P+C)/W+0.02 = 0.584
P/H = 0.654 C/H = 0.312
Vol./W^3 = 0.259
Addition # 2 - This is medium-hard to cut. It works well in sapphire and is a nice change from an oval, which I always seem to have rough to cut in (that shape). A preform is a help and roughing in the table helps too. This works well in man-made Sapphire and Spinels...
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Sapphire Value, Price, and Jewelry Information
Ruby Value, Price, and Jewelry Information
Corundum Value, Price, and Jewelry Information
Padparadscha Sapphire Value, Price, and Jewelry Information
How Does Vapor Deposition Create Mystic Topaz and Aqua Aura Quartz?
Spurrite Value, Price, and Jewelry Information
Lapidary Technology Through the Ages: Laps and Polish
Why are Topaz and Citrine Gemstones Misidentified?
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!